obama four years ago. after being dominated on the airwaves here this summer, ads that painted romney as an out of touch corporate raider, the romney campaign is intensifying its efforts. >> because ohio families can't afford four more years like the last four years. >> reporter: for its part, the obama campaign is trying to make a punch line out of romney's call to end federal subsidies to public broadcasting. now the subject of this mocking new ad. >> one man has the guts to speak his name. >> big bird. >> big bird. >> it's me, big bird. >> reporter: in ohio today, romney tried to turn the president's policies into his own punch lines. >> these are tough times, with real serious issues, so you have to scratch your head when the president spends the last week talking about saving big bird. >> reporter: and brian, one other note from today's poll, one in eight ohioans said they could still change their minds before november. >> peter alexander in the crucial state of ohio starting off our coverage tonight.